Academic Institutes – Research Centers

• Greek Research NETwork (GRNET)
• National Technical University of Athens
• National and Kapodistrian University of Athens
• Foundation for Research and Technology - Hellas (FORTH)
• University of Ioannina
• Athens School of Fine Arts
• Yerevan State University
• Athena - Research and Innovation Center in Information, Communication and Knowledge Technologies
• Hellenic Technology Clusters Initiative

 
Public Sector

• H.A.G.S. / Center for Material Control
• GAIA OSE S.A.
• E.THE.L S.A. (Thermal Bus Company)
• Athens Urban Transport Organisation (OASA)
• Civil Service Staffing Council (ASEP)
• TRAINOSE S.A.

 
Information Technology - Telecommunications Companies

• SingularLogic S.A.
• InAccess Networks S.A.
• OTEnet
• Sun Microsystems (Hellas) S.A.
• Hewlett Packard Hellas
• Unisystems S.A.
• Informer S.A.
• Vodafone
• CosmoLine
• CosmoTelco S.A.
• eNOVATION TECHNOLOGIES S.A.
• NetFone
• Byte Mobile
• General Data Business A.E.
• Accepted Συστήματα Πληροφορικής ΕΠΕ
• EliDoc O.E.
• Universal Data Solutions A.E
• Helic S.A.
• PRINTEC GROUP

 
Private Sector

• Αναπτυξιακό Κέντρο Οινουσσών (Α.Κ.Ο.Α.)
• European Reliance A.E.G.A.
• Eurobank EFG Business Services A.E
• EFG Eurobank Ergasias
• Protonbank A.E
• Landis A.E.
• Mellon Collection Services S.A.
• FinTrust S.A.
• Iakovos Papageorgiou S.A.
• PepsiCo - IVI S.A.
• ELLENIC PETROLEUM S.A.
• Polis Ο.Ε.
• Lambrakis Press S.A.
• ERGON S.A.
• PV Engineering Co.
• Velco Α.Β.Ε.Ε.

 
Shipping companies

• Blossom Maritime Co.
• Cardiff Marine Co.
• Drytank A.E.
• Wem Lines Α.Ε.
• Iason Hellenic Shipping Co. LTD
• Seacharm Navigation Ltd
• Prosperity Bay Shipping CompanyX.Π. Λεμός Ναυτιλιακή Α.Ε.
• TankShips Ltd
• Alert ShipManagement Ltd